2004 Ski-Doo REV Series Factory Service Manual, Page 204Get this manual
Section 05 2TEC ENGINE MANAGEMENT Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
Otherwise, probe terminals and battery ground of fuel pump connector on vehicle harness sideWhen depressing the STARTRER button, you should read battery voltage for approximately seconds (then, the voltage will drop)If battery voltage does not appear, the problem can be in harness or in fuel pump connectorRepair or replace appropriate part (fuel pump may be blown)Check continuity between terminal of the fuel pump connector on the vehicle harness side and terminal 29 of the ECM connector BIf there is no continuity the problem is in the harness
Fuel Filter Replacement
Connect VCK(PN 529 035 981)Use B.U.D.Sto release fuel pressureDisconnect fuel filter line assembly from fuel rail and from fuel supply hoseInstall new fuel filter line assemblyBleed fuel system as described in fuel bleeding procedureA32I19A